@article{M2AN_1989__23_4_593_0,
     author = {Fortin, Michel and Fortin, Andr\'e},
     title = {Une note sur les m\'ethodes de caract\'eristiques et de {Lesaint-Raviart} pour les probl\`emes hyperboliques stationnaires},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {593--596},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {23},
     number = {4},
     year = {1989},
     mrnumber = {1025073},
     zbl = {0687.65088},
     language = {fr},
     url = {http://www.numdam.org/item/M2AN_1989__23_4_593_0/}
}